The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applicationsUpgrade RHEL:8
bind9.16-dnssec-utils
to version 32:9.16.23-0.14.el8_8.4 or higher.
This issue was patched in RHSA-2024:1648
.
Note: Versions mentioned in the description apply only to the upstream bind9.16-dnssec-utils
package and not the bind9.16-dnssec-utils
package as distributed by RHEL
.
See How to fix?
for RHEL:8
relevant fixed versions and status.
Certain DNSSEC aspects of the DNS protocol (in RFC 4033, 4034, 4035, 6840, and related RFCs) allow remote attackers to cause a denial of service (CPU consumption) via one or more DNSSEC responses, aka the "KeyTrap" issue. One of the concerns is that, when there is a zone with many DNSKEY and RRSIG records, the protocol specification implies that an algorithm must evaluate all combinations of DNSKEY and RRSIG records.